The objective of this study is to compare the effects of manual ventilation and AutoFlow ventilation, administered during the induction of general anesthesia, on cerebral (s-rSO₂) and peripheral (somatic) oxygenation (p-rSO₂) in geriatric patients.
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Eligibility Criteria
Inclusion Criteria:
* Patients aged 65 years and older.
* Patients scheduled to undergo elective surgery requiring endotracheal intubation under general anesthesia.
* Patients with an American Society of Anesthesiologists (ASA) physical status of I, II, or III.
* Volunteer patients who are willing …
Inclusion Criteria:
* Patients aged 65 years and older.
* Patients scheduled to undergo elective surgery requiring endotracheal intubation under general anesthesia.
* Patients with an American Society of Anesthesiologists (ASA) physical status of I, II, or III.
* Volunteer patients who are willing to participate and provide written informed consent.
Exclusion Criteria:
* Patients with severe heart failure or severe pulmonary disease.
* Patients with a presence or history of brain tumors or cerebrovascular accidents (CVA/stroke).
* Patients with impaired cooperation or cognitive dysfunction (e.g., dementia, delirium, Alzheimer's disease).
* Patients with a known history or preoperative prediction of a difficult airway.
* Patients with a known allergy to the monitoring sensor materials.
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